(PowerBuilder) WhatsApp - Login

Log in to get your authentication token (which is to be used in the "Authorization: Bearer your-auth-token" header in other REST API calls).

For more information, see https://developers.facebook.com/docs/whatsapp/api/users/login

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Http
integer li_Success
oleobject loo_Json
oleobject loo_Resp
oleobject loo_SbResponseBody
oleobject loo_JResp
integer li_RespStatusCode
string ls_Token
string ls_Expires_after
integer i
integer li_Count_i

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Implements the following CURL command:

// curl -X POST https://your-webapp-hostname:your-webapp-port/v1/users/login \
//   -H 'Content-Type: application/json' \
//   --user 'username:password' \
//   -d '{}'

loo_Http.Login = "username"
loo_Http.Password = "password"

// The following JSON is sent in the request body.

// {}

loo_Json = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Http.SetRequestHeader("Content-Type","application/json")

loo_Resp = loo_Http.PostJson3("https://your-webapp-hostname:your-webapp-port/v1/users/login","application/json",loo_Json)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_Json
    return
end if

loo_SbResponseBody = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat.StringBuilder")

loo_Resp.GetBodySb(loo_SbResponseBody)
loo_JResp = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JResp.ConnectToNewObject("Chilkat.JsonObject")

loo_JResp.LoadSb(loo_SbResponseBody)
loo_JResp.EmitCompact = 0

Write-Debug "Response Body:"
Write-Debug loo_JResp.Emit()

li_RespStatusCode = loo_Resp.StatusCode
Write-Debug "Response Status Code = " + string(li_RespStatusCode)
if li_RespStatusCode >= 400 then
    Write-Debug "Response Header:"
    Write-Debug loo_Resp.Header
    Write-Debug "Failed."
    destroy loo_Resp
    destroy loo_Http
    destroy loo_Json
    destroy loo_SbResponseBody
    destroy loo_JResp
    return
end if

destroy loo_Resp

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "users": [
//     {
//       "token": "eyJhbGciOHlXVCJ9.eyJ1c2VyIjoNTIzMDE2Nn0.mEoF0COaO00Z1cANo",
//       "expires_after": "2018-03-01 15:29:26+00:00"
//     }
//   ]
// }

// Sample code for parsing the JSON response...

i = 0
li_Count_i = loo_JResp.SizeOfArray("users")
do while i < li_Count_i
    loo_JResp.I = i
    ls_Token = loo_JResp.StringOf("users[i].token")
    ls_Expires_after = loo_JResp.StringOf("users[i].expires_after")
    i = i + 1
loop


destroy loo_Http
destroy loo_Json
destroy loo_SbResponseBody
destroy loo_JResp